Hong Kong Philharmonic Times

This book tells the story of a retired police officer who was more skilled than Donnie Yen. After leaving his job, he acted bravely 6-7 times (including heroic rescues of beauties n times). He single-handedly killed more than 20 gangsters and kidnappers. Later, due to his sister's illness, he came out to sell songs. Identity before time travel: unknown Singing skills: I don't know, but I'm famous anyway Arranger: Not mentioned System: None